81430605

素因数分解:

$3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{42083}}^1$

素因数の和:42137

約数の個数: 24

約数和(自身を含む): 144432288

約数和(自身を除く): 63001683

約数列:

[1, 3, 5, 9, 15, 43, 45, 129, 215, 387, 645, 1935, 42083, 126249, 210415, 378747, 631245, 1809569, 1893735, 5428707, 9047845, 16286121, 27143535, 81430605]

約数ペア:

[(1, 81430605), (3, 27143535), (5, 16286121), (9, 9047845), (15, 5428707), (43, 1893735), (45, 1809569), (129, 631245), (215, 378747), (387, 210415), (645, 126249), (1935, 42083)]